word of the day, via a comment on http://www.jwz.org/blog/2012/01/snow-crash-simulated/ : 'A skeuomorph /ˈskjuːəmɔrf/ skew-ə-morf, or skeuomorphism (Greek: skeuos—vessel or tool, morphe—shape),[1] is a derivative object that retains ornamental design cues to a structure that was necessary in the original.[2] Skeuomorphs may be deliberately employed to make the new look comfortably old and familiar,[3] such as copper cladding on zinc pennies or computer printed postage with circular town name and cancellation lines'